.taskBox {
    min-height: 150px;
    max-height: 310px;
    width: 360px;
    overflow-y: scroll;
    font-size: 16px;
    border: 1px black solid;
}

.taskBox::-webkit-scrollbar{
    width:6px;
    height:6px;
}

.taskBox::-webkit-scrollbar-thumb{
    border-radius: 6px;
    -webkit-box-shadow:inset 5px rgba(0,0,0,0.2);
    background:rgba(0,0,0,0.2);
}

.taskBox::-webkit-scrollbar-track{
    border-radius:0;
    -webkit-box-shadow:inset 5px rgba(0,0,0,0.2);
    background:rgba(0,0,0,0.1);
}

.btn {
    position: absolute;
    right: 5px;
    top: 3px;
}

.btn:hover {
    background-color: #000;
    color:#fff;
}

.taskItem {
    position: relative;
    height: 30px;
    line-height: 30px;
    border: 1px solid black;
}

.taskItem:hover {
    background-color: #eeeeee;
}